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background radiation. More generally, astronomy studies everything that originates beyond Earth's atmosphere. Cosmology is a branch of astronomy that studies...98 KB (10,182 words) - 20:03, 5 August 2024
Cosmic Microwave Background Radiation". Sixty Symbols. Brady Haran for the University of Nottingham. Portals: Physics Astronomy Stars Spaceflight Outer space...107 KB (13,144 words) - 01:24, 14 August 2024
Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies. The first detection of radio waves from an astronomical...37 KB (3,874 words) - 18:09, 4 August 2024- microwave background radiation. Branches of astronomy Chemistry – studies the composition, structure, properties and change of matter. In this realm...43 KB (5,447 words) - 12:09, 5 August 2024
Black-body radiation is the thermal electromagnetic radiation within, or surrounding, a body in thermodynamic equilibrium with its environment, emitted...72 KB (9,265 words) - 08:53, 6 August 2024- The discovery of cosmic microwave background radiation constitutes a major development in modern physical cosmology. In 1964, US physicist Arno Allan Penzias...14 KB (1,506 words) - 20:43, 5 June 2024
radiation, and infrared radiation. This had a major impact on astronomy, spawning the fields of infrared astronomy, radio astronomy, x-ray astronomy and...81 KB (10,065 words) - 06:40, 26 July 2024- Ionizing radiation (US, ionising radiation in the UK), including nuclear radiation, consists of subatomic particles or electromagnetic waves that have...60 KB (6,553 words) - 05:22, 3 June 2024
Infrared (redirect from Applications of infrared radiation)sometimes called infrared light) is electromagnetic radiation (EMR) with wavelengths longer than that of visible light but shorter than microwaves. The infrared...91 KB (9,117 words) - 09:19, 25 June 2024
Black body (redirect from Plank radiation)interest. In astronomy, the radiation from stars and planets is sometimes characterized in terms of an effective temperature, the temperature of a black body...46 KB (5,094 words) - 16:33, 6 July 2024- science – one that studies the role of physical processes in living organisms. See Outline of biophysics. Astronomy – studies the universe beyond Earth...33 KB (3,276 words) - 01:47, 8 July 2024
submillimeter band, and its radiation as submillimeter waves, especially in astronomy. This band of electromagnetic radiation lies within the transition...66 KB (6,878 words) - 23:32, 11 August 2024
Microwave (redirect from Microwave Radiation)Microwave is a form of electromagnetic radiation with wavelengths shorter than other radio waves (as originally discovered) but longer than infrared waves...67 KB (6,965 words) - 22:04, 6 August 2024
Sun (redirect from Sun (astronomy))infrared radiation with 10% at ultraviolet energies. It is by far the most important source of energy for life on Earth. The Sun has been an object of veneration...168 KB (18,654 words) - 20:06, 13 August 2024- Background radiation is a measure of the level of ionizing radiation present in the environment at a particular location which is not due to deliberate...53 KB (5,718 words) - 09:05, 16 July 2024
- Celestial mechanics (redirect from Dynamical astronomy)is the branch of astronomy that deals with the motions of objects in outer space. Historically, celestial mechanics applies principles of physics (classical...18 KB (2,218 words) - 15:58, 14 June 2024
- of astronomy is a list of definitions of terms and concepts relevant to astronomy and cosmology, their sub-disciplines, and related fields. Astronomy...161 KB (18,433 words) - 16:06, 8 August 2024
Radiation pressure (also known as light pressure) is mechanical pressure exerted upon a surface due to the exchange of momentum between the object and...40 KB (5,289 words) - 15:21, 14 July 2024
Cosmic ray (redirect from Cosmic radiation)composition of the particle cascade increases at lower elevations, reaching between 40% and 80% of the radiation at aircraft altitudes. Of secondary cosmic...96 KB (10,537 words) - 12:42, 14 August 2024- Collimator (section In radiation therapy)difficult to focus these types of radiation into an image using lenses, as is routine with electromagnetic radiation at optical or near-optical wavelengths...10 KB (1,299 words) - 05:35, 24 December 2023
- Reference Work Astronomy 41033The New Student's Reference Work — Astronomy Astron′omy. There is a certain sense in which the history of each science extends
- laureate in physics, for having discovered the cosmic microwave background radiation. A closed universe, one that explodes, expands, falls back on itself and
- Astronomy is the scientific study of celestial bodies in the visible universe, from the scale of a few meters to the macro scale, including: the underlying